Gravel Calculator — How Much Gravel
Work out gravel quantities in tonnes or bulk bags for drives and paths.
Include 10% wastage
How We Calculate This
Volume = Length x Width x Depth. Weight = Volume x Density (~1.5 t/m³). Bulk bags ≈ 1 tonne each.
Frequently Asked Questions
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Last updated: February 2026
All calculations are estimates based on standard gardening guidelines. Results may vary with soil conditions, climate, and plant varieties.